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| Type: | Resource | |
| Storage: | The size of this resource is 582.6 KB | |
| Created: | Aug 17, 2023 at 5:11 a.m. | |
| Last updated: | Dec 20, 2023 at 9:57 p.m. | |
| DOI: | 10.4211/hs.3baebff452a84a8c82fe62d7dd82bc37 | |
| Citation: | See how to cite this resource |
| Sharing Status: | Published |
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| Views: | 347 |
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Abstract
Accurate assessment of changes in water availability with changing climate is vital for effective mitigation and adaptation. In this research, we employ a parsimonious Budyko curve method to evaluate changes in water availability under low- (SSP126) and high-emission (SSP585) scenarios for 331 river basins in the contiguous United States. We also assess the relative role of changes in precipitation (∆P) and potential evapotranspiration (∆PET) with changing climate on the increase in water availability vulnerability. Results highlight that around 43% (28%) of basins are projected to experience increased vulnerability to changing climate in high-emission (low-emission) scenarios. Sub-humid basins are most often impacted, while arid and semi-arid basins exhibit lower sensitivity to changes. Intriguingly, ∆PET emerges as the dominant control on vulnerability, surpassing ∆P, particularly under higher emission scenarios. The analysis prompts water managers to focus on long-term mitigation planning and scientists to further constraint climate and water budget forecasts in affected basins.
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This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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